Grass waterways
By: [by Harry H. Gardner and Edwin Freyburger]
Series: United States. Dept. of Agriculture. Leaflet -- no. 257; Leaflet (United States. Dept. of Agriculture) -- no. 257.
Publisher: U.S. Dept. of Agriculture
Published: 1949
Place of publication: Washington, D.C
Language: eng
Subjects: Grassed waterways
Notes: Cover title.

"Issued December 1949"--P. 8.